866412676 has 24 divisors (see below), whose sum is σ = 1601540864. Its totient is φ = 409479840.

The previous prime is 866412661. The next prime is 866412689. The reversal of 866412676 is 676214668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75915 + ... + 86578.

Almost surely, 2^866412676 is an apocalyptic number.

866412676 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

866412676 is a deficient number, since it is larger than the sum of its proper divisors (735128188).

866412676 is a wasteful number, since it uses less digits than its factorization.

866412676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162571 (or 162569 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 866412676 is about 29434.8887546734. Note that the first 3 decimals coincide. The cubic root of 866412676 is about 953.3263545655.

The spelling of 866412676 in words is "eight hundred sixty-six million, four hundred twelve thousand, six hundred seventy-six".